POLYOLEFIN COMPOSITION FOR PIPE SYSTEMS AND SHEETS
    21.
    发明申请
    POLYOLEFIN COMPOSITION FOR PIPE SYSTEMS AND SHEETS 审中-公开
    用于管道系统和片材的聚烯烃组合物

    公开(公告)号:WO2008077773A1

    公开(公告)日:2008-07-03

    申请号:PCT/EP2007/063728

    申请日:2007-12-11

    Abstract: The polymeric composition of the present invention is a polyolefin composition comprising (percent by weight): 1) 10-60% of a copolymer of propylene and hexene-1 wherein said copolymer comprises from 0.2 to 10 % of recurring units derived from hexene-1; and 2) 10-85% of a propylene polymer selected from propylene homopolymer and a polymer of propylene with 0.1-10% of an α-olefin selected from ethylene, a C 4 -C 10 a-olefin, hexene-1 excluded, and a mixture thereof, said propylene polymer being insoluble in xylene at ambient temperature in an amount over 85% and having a Polydispersity Index ranging from 3 to 20; and 3) 5-30% of a copolymer of ethylene with a C 3 -C 10 α-olefin and optionally a diene, having an ethylene content ranging from 15 to 60% and an intrinsic viscosity value of at least 1 dl/g. Pipe systems and sheets produced from said composition show an optimal balance of mechanical properties.

    Abstract translation: 本发明的聚合物组合物是包含(重量%)的聚烯烃组合物:1)10-60%的丙烯和己烯-1的共聚物,其中所述共聚物包含0.2-10%的由己烯-1衍生的重复单元 ; 和2)10-85%的丙烯聚合物,其选自丙烯均聚物和丙烯与0.1-10%α-烯烃的聚合物,所述α-烯烃选自乙烯,C 4 -C 10 所述丙烯聚合物在环境温度下不溶于二甲苯,其量超过85%,多分散指数为3-20; 和3)5-30%的乙烯与C 3 -C 10α-烯烃和任选的二烯的共聚物,乙烯含量为15至60 %,特性粘度值为至少1dl / g。 由所述组合物制成的管道系统和片材显示机械性能的最佳平衡。

    POLYMER FILAMENT
    23.
    发明授权
    POLYMER FILAMENT 有权
    聚合物长丝

    公开(公告)号:EP2480707B1

    公开(公告)日:2014-03-05

    申请号:EP10751696.5

    申请日:2010-09-13

    CPC classification number: D01F6/46 D01D5/42 D06N7/0065 E01C13/08

    Abstract: A polymer filament comprising a polyolefin composition which comprises at least 10% by weight of one or more copolymer(s) (I) of propylene with one or more comonomers selected from ethylene, C4-C10 α-olefins and their combinations, said copolymer or copolymers (I) having MFR from 0.5 to 10 g/10 min. and containing units deriving from the said comonomers in a total amount of from 0.5 to 25% by weight with respect to the total amount of all momoner units in the copolymer, provided that, in the absence of comonomer units deriving from C6-C10 α-olefins, the amount of comonomer units deriving from ethylene or C4-C5 α-olefins or their combinations is at least 2.5% by weight.

    POLYOLEFIN FIBRES
    24.
    发明公开
    POLYOLEFIN FIBRES 有权
    聚烯烃

    公开(公告)号:EP2358809A1

    公开(公告)日:2011-08-24

    申请号:EP09763960.3

    申请日:2009-12-03

    Abstract: A polyolefin composition comprising: A) 20-95 wt% of a propylene homo-polymer or a crystalline co-polymer of propylene with ethylene and/or an alpha -olefin having 4-10 carbon atoms, containing 85wt% or more of propylene, having an isotactic index equal to or higher than 80; B) 5-80 wt% of a copolymer of butene-1 with ethylene and/or an alpha -olefin having 3-10 carbon atoms having: - a content of butene-1 derived units of 80wt% wt or more, - molecular weight distribution Mw/Mn of less than 3. - flexural modulus of 60 MPa or less. Fibres and spun bond (woven non woven), disposable sanitary items (e.g. diapers) thereof.

    POLYMER FILAMENT
    28.
    发明公开
    POLYMER FILAMENT 有权
    POLYMERFILAMENT

    公开(公告)号:EP2480707A1

    公开(公告)日:2012-08-01

    申请号:EP10751696.5

    申请日:2010-09-13

    CPC classification number: D01F6/46 D01D5/42 D06N7/0065 E01C13/08

    Abstract: A polymer filament comprising a polyolefin composition which comprises at least 10% by weight of one or more copolymer(s) (I) of propylene with one or more comonomers selected from ethylene, C4-C10 α-olefins and their combinations, said copolymer or copolymers (I) having MFR from 0.5 to 10 g/10 min. and containing units deriving from the said comonomers in a total amount of from 0.5 to 25% by weight with respect to the total amount of all momoner units in the copolymer, provided that, in the absence of comonomer units deriving from C6-C10 α-olefins, the amount of comonomer units deriving from ethylene or C4-C5 α-olefins or their combinations is at least 2.5% by weight.

    PIPE SYSTEMS OF POLYPROPYLENE COMPOSITIONS
    29.
    发明授权
    PIPE SYSTEMS OF POLYPROPYLENE COMPOSITIONS 有权
    管道系统聚丙烯组合

    公开(公告)号:EP1448704B1

    公开(公告)日:2011-07-27

    申请号:EP02802293.7

    申请日:2002-10-15

    Abstract: Polypropylene pipes (parts by weight): 1) 100 parts of a crystalline random copolymer of propylene with 1-15% by weight of a C4-C10 α-olefin or a crystalline random copolymer of propylene with 1-15% by weight of C4-C10 α-olefin and with 1-7% by weight of ethylene 2) 0 to 70 parts of an elastomeric polyolefin selected from the group consisting of: (a) a copolymer of ethylene with propylene and, optionally a diene, having an ethylene content of from 17 to 45 wt% and an propylene content from 55 to 83 wt%; (b) a copolymer of ethylene with a C3-C10 α-olefin having an ethylene/C3-C10 α-olefin weight ratio of from 29 to 86 wt% (13C-NMR analysis) and having an Mw/Mn ratio of less than 3.5; and 3) 0-30 parts of a polymer of ethylene having a melting temperature over 120 °C and intrinsic viscosity of from 2 to 6 dL/g; with the proviso that when the elastomeric polyolefin is present, the polymer of ethylene is at least 12 parts based on 100 parts of the crystalline random propylene copolymer (1) and that at least one of the layer made of the said polymer propylene composition is substantially free from random copolymers of propylene with 15 wt% or less of ethylene as the sole comonomer.

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